Retirees practice tai chi during their morning exercise on a hazy day in Fuyang, in central China's Anhui province, Jan. 14. Air pollution is a major problem in China due to the country's rapid pace of industrialization, reliance on coal power, explosive growth in car ownership and disregard...

Retirees practice tai chi during their morning exercise on a hazy day in Fuyang, in central China's Anhui province, Jan. 14. Air pollution is a major problem in China due to the country's rapid pace of industrialization, reliance on coal power, explosive growth in car ownership and disregard... (Associated Press)

Cars run on an elevated road as buildings in the background are covered in haze Jan. 15. A succession of heavily polluted days has hit Beijing, prompting the government to issue a first ever orange warning. The pollution and poor visibility led to the cancellation of flights, and several...

Cars run on an elevated road as buildings in the background are covered in haze Jan. 15. A succession of heavily polluted days has hit Beijing, prompting the government to issue a first ever orange warning. The pollution and poor visibility led to the cancellation of flights, and several... (Diego Azubel / European Pressphoto Agency)

Few have experienced more rapid success in China than the auto industry, which has doubled its volume sales in just the last four years. But as anger simmers over the country's air pollution, fingers are increasingly pointing at the millions of new cars clogging Chinese roads. After a weekend...